CN214750136U

CN214750136U - Knapsack formula exhaust gas detection device

Info

Publication number: CN214750136U
Application number: CN202120593534.5U
Authority: CN
Inventors: 周伟男; 宫雪; 袁玲玲; 邓晓宇
Original assignee: Wuhu Zhongyi Testing Technology Research Institute Co ltd
Current assignee: Wuhu Zhongyi Testing Technology Research Institute Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-11-16
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to an exhaust-gas detection technical field discloses a knapsack formula exhaust-gas detection device, including knapsack door, battery, memory, display screen, braces subassembly, determine module, exhaust subassembly, lock door subassembly and centre gripping subassembly, the knapsack door is installed in one of knapsack door and is served, and the lateral wall of knapsack door is articulated mutually with the inboard wall of knapsack door, braces subassembly is installed on the other end of knapsack door, the battery is the interval with determine module and installs on the interior diapire of knapsack door, the memory is installed on the inside wall of knapsack door, and the memory is located determine module's top, the display screen is installed on the lateral wall of knapsack door. The utility model has the advantages that: the staff can avoid appearing moving or climbing the in-process shoulder strap from the condition appearance of staff's shoulder landing through the setting of braces subassembly to through the setting of display screen, can the data of gaseous detection of real-time observation.

Description

Knapsack formula exhaust gas detection device

Technical Field

The application relates to the technical field of exhaust-gas detection, especially, relate to a knapsack formula exhaust-gas detection device.

Background

Recently, environmental issues are highlighted and summarized, which are classified into two points, one is energy shortage and the other is poor emission control, which makes the people build up the consciousness of environmental protection and is really important, however, the problems of waste gas emission and energy shortage are brought from the root of developing economy, the pollution generated by factories is the most important component of environmental pollution, a large amount of waste gas is generated in the industrial production process, the waste gas generally comprises toxic gases such as carbon monoxide, gas, hydrogen sulfide, nitrogen dioxide, sulfur dioxide and the like, the industrial waste gas needs to be treated until reaching the emission standard and then discharged, and the waste gas detection needs to be performed on the discharged gas or the discharged environment to detect whether the waste gas discharged by the industry can harm the health of human beings. In the prior art, a handheld waste gas detector or a cabinet type waste gas detection device with a large volume is generally adopted, but a plurality of places need to be detected in the waste gas detection process, the detection time is long, and when the detection environment is outdoor, the situations of complex terrain, uneven road surface and high climbing operation need to be existed. To this end, a backpack-type exhaust gas detection device is proposed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a backpack type exhaust gas detection device, which comprises a backpack shell, a backpack door, a storage battery, a storage device, a display screen, a strap assembly, a detection assembly, an exhaust assembly, a door locking assembly and a clamping assembly, wherein the backpack door is installed at one end of the backpack shell, the side wall of the backpack door is hinged to the inner side wall of the backpack shell, the strap assembly is installed at the other end of the backpack shell, the storage battery and the detection assembly are installed on the inner bottom wall of the backpack shell at intervals, the storage device is installed on the inner side wall of the backpack shell, the storage device is located above the detection assembly, the display screen is installed on the side wall of the backpack door, the clamping assembly is installed on one side wall of the backpack shell, a round hole is formed in the other side wall of the backpack shell, the exhaust assembly is installed in the round hole, the door locking assembly is located below the exhaust assembly, the door locking assembly is installed on the other side wall of the backpack shell, and one end of the door locking component penetrates through the side wall of the backpack shell and is spliced with the backpack door.

Furthermore, the strap assembly comprises a buckle block, a buckle shell, two elastic belts and two shoulder belts, the two shoulder belts are arranged at the other end of the strap enclosure at intervals, one ends of the two elastic belts are fixedly connected with the side walls of the two shoulder belts respectively, and the buckle block and the buckle shell are arranged at the other ends of the two elastic belts respectively.

Furthermore, the detection assembly comprises an air blower, an air inlet hose, an air inlet head, a fixed plate, an air collection chamber, a detector, a connecting pipe and an exhaust pipe, the air blower is installed on the inner bottom wall of the back enclosure, the air blower is located beside the storage battery, the air inlet head is located beside the back enclosure, the air inlet hose is located in the back enclosure, one end of the air inlet hose is communicated with one end of the air blower, the other end of the air inlet hose penetrates through the inner bottom wall of the back enclosure and is communicated with the air inlet head, the fixed plate is horizontally located above the air blower, two ends of the fixed plate are fixedly connected with the inner walls of two sides of the back enclosure, the air collection chamber is installed at the top of the fixed plate, the connecting pipe is located between the fixed plate and the air blower, one end of the connecting pipe is communicated with the other end of the air blower, and the other end of the connecting pipe penetrates through the bottom of the fixed plate and is communicated with the inside of the air collection chamber, the detector is installed at the top of the gas collection chamber, the exhaust pipe is located above the gas collection chamber, one end of the exhaust pipe is communicated with the inside of the gas collection chamber, and the other end of the exhaust pipe is communicated with the round hole.

Furthermore, the exhaust assembly comprises an exhaust fan, an isolation pipe, an isolation circular plate, a first auxiliary plate and a second auxiliary plate, the exhaust fan is located in the circular hole and fixedly connected with the inner wall of the backpack shell, the isolation pipe is installed on the outer wall of the backpack shell, one end of the isolation pipe is communicated with the circular hole, an insertion block is installed at the other end of the isolation pipe, the isolation circular plate is inserted and installed in the insertion block, the first auxiliary plate is installed on the outer wall of the isolation pipe, the second auxiliary plate is installed on the outer wall of the isolation circular plate, and the first auxiliary plate is hinged to the second auxiliary plate.

Furthermore, the door locking assembly comprises a door locking block, a semicircular handle, two hinged arms, two sliding blocks and two telescopic springs, wherein a sliding groove is formed in the side wall of the back enclosure, the two sliding blocks are respectively and slidably mounted at two ends of the sliding groove, the two telescopic springs are positioned in the sliding groove at intervals, one ends of the two telescopic springs are respectively and fixedly connected with the inner top wall of the back enclosure and the inner bottom wall of the back enclosure, the other ends of the two telescopic springs are respectively and fixedly connected with one ends of the two sliding blocks, the semicircular handle is positioned beside the sliding groove, the door locking block is positioned in the sliding groove, one end of the door locking block extends to the semicircular handle and is fixedly connected with the side wall of the semicircular handle, the other end of the door locking block sequentially penetrates through the side wall of the back enclosure and extends inwards, one end of the two hinged arms is respectively and hinged with the other ends of the two sliding blocks, and the other ends of the two hinged arms are hinged with one end of the door locking block.

Further, the centre gripping subassembly includes fixing base, grip block and centre gripping spring, the fixing base is installed on the lateral wall of back of the body involucrum, the grip block is the level and is located the side of back of the body involucrum, and the one end of grip block is articulated mutually with the top of fixing base, the centre gripping groove has been seted up on the lateral wall of the grip block other end, the centre gripping spring is located between grip block and the knapsack shell, and the both ends of centre gripping spring respectively with the lateral wall of grip block and the lateral wall fixed connection of knapsack shell.

Furthermore, a handle groove is formed in the top of the back enclosure, a lifting handle is hinged to the top of the back enclosure, and the lifting handle is located in the handle groove.

The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:

one of them, the both hands of the staff are through passing two baldrics, carry the knapsack shell on the back, stimulate two elastic bands to make buckle piece and buckle shell looks joint fixed for back of the body cladding can be firm back of the body on the back of the staff, avoid appearing moving or climbing the in-process shoulder the condition of following the landing of staff's shoulder and appear.

Secondly, the staff holds the air inlet hose, aim at the detection area with the air inlet head, through the drive air-blower, make the air in the detection area loop through the air inlet head, air inlet hose and connecting pipe flow to in the gas collection room, detect the indoor gas of gas collection through the detector, and convey the testing result respectively and show and record the storage in display screen and the memory, after the indoor gas detection of gas collection accomplished, keep apart the plectane through rotating, expose the spacer tube, the drive air discharge fan, make the indoor gas of gas collection discharge outside the knapsack shell through the blast pipe, so that carry out next waste gas detection.

Thirdly, when not needing to detect, the hose that will admit air removes to grip block department, pulls the grip block, makes the hose that admits air peg graft to the centre gripping inslot, later loosens the grip block, under the elastic action of centre gripping spring, fixes the hose that admits air at the centre gripping inslot, has avoided the staff when climbing or removing, and the hose that admits air hangs down outside back of the body cladding to influence staff's the condition and appear.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic perspective view of a first angle of the present invention;

fig. 2 is a schematic perspective view of a second angle of the present invention;

FIG. 3 is a schematic view of the unfolded three-dimensional structure of the backpack door of the present invention;

fig. 4 is a schematic perspective view of the clamping assembly of the present invention;

fig. 5 is a schematic perspective view of the door locking assembly of the present invention;

fig. 6 is a perspective exploded view of the present invention.

In the figure: the backpack comprises a back enclosure 1, a round hole 11, a sliding groove 12, a handle groove 13, a lifting handle 14, a backpack door 2, a storage battery 3, a memory 4, a display screen 5, a strap assembly 6, a clamping block 61, a clamping shell 62, an elastic band 63, a shoulder strap 64, a detection assembly 7, a blower 71, an air inlet hose 72, an air inlet head 73, a fixing plate 74, an air collection chamber 75, a detector 76, a connecting pipe 77, an exhaust pipe 78, an exhaust assembly 8, an exhaust fan 81, an isolation pipe 82, an isolation circular plate 83, a first auxiliary plate 84, a second auxiliary plate 85, an insertion block 86, a door locking assembly 9, a door locking block 91, a semicircular handle 92, an articulated arm 93, a sliding block 94, a telescopic spring 95, a clamping assembly 10, a fixing seat 101, a clamping plate 102, a clamping spring 103 and a clamping groove 104.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.

In this embodiment, as shown in fig. 1 to 6, a backpack type exhaust gas detecting apparatus includes a backpack shell 1, a backpack door 2, a storage battery 3, a storage device 4, a display screen 5, a strap assembly 6, a detecting assembly 7, an exhaust assembly 8, a door locking assembly 9, and a clamping assembly 10, the backpack door 2 is mounted on one end of the backpack shell 1, a side wall of the backpack door 2 is hinged to an inner side wall of the backpack shell 1, the strap assembly 6 is mounted on the other end of the backpack shell 1, the storage battery 3 and the detecting assembly 7 are mounted on an inner bottom wall of the backpack shell 1 at an interval, the storage device 4 is mounted on the inner side wall of the backpack shell 1, the storage device 4 is located above the detecting assembly 7, the display screen 5 is mounted on a side wall of the backpack door 2, the clamping assembly 10 is mounted on one side wall of the backpack shell 1, a circular hole 11 is formed on the other side wall of the backpack shell 1, the exhaust assembly 8 is arranged in the circular hole 11, the door locking assembly 9 is positioned below the exhaust assembly 8, the door locking assembly 9 is arranged on the other side wall of the back enclosure 1, and one end of the door locking assembly 9 penetrates through the side wall of the back enclosure 1 to be connected with the backpack door 2 in an inserting mode.

Specifically, the harness assembly 6 includes a buckle block 61, a buckle shell 62, two elastic bands 63 and two shoulder bands 64, two shoulder bands 64 are installed at the other end of the back enclosure 1 at intervals, one end of each elastic band 63 is fixedly connected with the side walls of the two shoulder bands 64, the buckle block 61 and the buckle shell 62 are installed at the other end of the two elastic bands 63, the two hands of a worker pass through the two shoulder bands 64 to carry the back enclosure 1, the two elastic bands 63 are pulled to enable the buckle block 61 and the buckle shell 62 to be fixedly clamped, so that the back enclosure 1 can be firmly carried on the back of the worker, and the situation that the shoulder bands 64 slide off from the shoulders of the worker in the moving or climbing process is avoided.

Specifically, the detection assembly 7 includes an air blower 71, an air inlet hose 72, an air inlet head 73, a fixing plate 74, an air collection chamber 75, a detector 76, a connecting pipe 77 and an exhaust pipe 78, the air blower 71 is mounted on the inner bottom wall of the back enclosure 1, the air blower 71 is located at the side of the storage battery 3, the air inlet head 73 is located at the side of the back enclosure 1, the air inlet hose 72 is located in the back enclosure 1, one end of the air inlet hose 72 is communicated with one end of the air blower 71, the other end of the air inlet hose 72 penetrates through the inner bottom wall of the back enclosure 1 to be communicated with the air inlet head 73, the fixing plate 74 is horizontally located above the air blower 71, two ends of the fixing plate 74 are fixedly connected with the inner walls at two sides of the back enclosure 1, the air collection chamber 75 is mounted at the top of the fixing plate 74, the connecting pipe 77 is located between the fixing plate 74 and the air blower 71, one end of the connecting pipe 77 is communicated with the other end of the air blower 71, the other end of the connecting pipe 77 penetrates through the bottom of the fixing plate 74 and is communicated with the inside of the air collection chamber 75, the detector 76 is installed at the top of the air collection chamber 75, the exhaust pipe 78 is located above the air collection chamber 75, one end of the exhaust pipe 78 is communicated with the inside of the air collection chamber 75, the other end of the exhaust pipe 78 is communicated with the circular hole 11, a worker holds the air inlet hose 72, aligns the air inlet head 73 to a detection area, enables air in the detection area to sequentially flow into the air collection chamber 75 through the air inlet head 73, the air inlet hose 72 and the connecting pipe 77 by driving the blower 71, detects the air in the air collection chamber 75 through the detector 76, and transmits detection results to the display screen 5 and the memory 4 respectively for displaying, recording and storing.

Specifically, the exhaust assembly 8 includes an exhaust fan 81, an isolation pipe 82, an isolation circular plate 83, a first auxiliary plate 84 and a second auxiliary plate 85, the exhaust fan 81 is located in the circular hole 11, the exhaust fan 81 is fixedly connected with the inner wall of the back enclosure 1, the isolation pipe 82 is installed on the outer wall of the back enclosure 1, one end of the isolation pipe 82 is communicated with the circular hole 11, the other end of the isolation pipe 82 is installed with an insertion block 86, the isolation circular plate 83 is inserted and installed in the insertion block 86, the first auxiliary plate 84 is installed on the outer wall of the isolation pipe 82, the second auxiliary plate 85 is installed on the outer wall of the isolation circular plate 83, the first auxiliary plate 84 is hinged to the second auxiliary plate 85, after the gas in the gas collection chamber 75 is detected, the isolation circular plate 83 is rotated to expose the isolation pipe 82, the exhaust fan 81 is driven, and the gas in the gas collection chamber 75 is exhausted out of the back enclosure 1 through the exhaust pipe 78, so as to carry out the next exhaust gas detection.

Specifically, the door locking assembly 9 includes a door locking block 91, a semicircular handle 92, two hinge arms 93, two sliding blocks 94 and two extension springs 95, a sliding groove 12 is formed on the side wall of the backpack shell 1, the two sliding blocks 94 are respectively slidably mounted at two ends of the sliding groove 12, the two extension springs 95 are positioned in the sliding groove 12 at intervals, one ends of the two extension springs 95 are respectively fixedly connected with the inner top wall of the backpack shell 1 and the inner bottom wall of the backpack shell 1, the other ends of the two extension springs 95 are respectively fixedly connected with one ends of the two sliding blocks 94, the semicircular handle 92 is positioned beside the sliding groove 12, the door locking block 91 is positioned in the sliding groove 12, one end of the door locking block 91 extends to the semicircular handle 92 and is fixedly connected with the side wall of the semicircular handle 92, the other end of the door locking block 91 sequentially penetrates through the side wall of the backpack shell 1 and the side wall of the backpack door 2 and extends inwards, two the one end of articulated arm 93 is articulated with the other end of two sliding block 94 respectively, and the other end of two articulated arm 93 all is articulated mutually with the one end of lock door piece 91, when the data in the memory 4 is read to needs, staff's pulling semicircle handle 92 for lock door piece 91 removes, through the articulated setting of two articulated arm 93, drive two sliding block 94 and slide in spout 12, make lock door piece 91 leave knapsack door 2, thereby can open knapsack door 2, when will closing knapsack door 2, loosen semicircle handle 92, drive two sliding block 94 under two expanding spring 95's elastic action and contract, make lock door piece 91 peg graft in knapsack door 2, fix knapsack door 2 in knapsack shell 1, the practicality of device has been improved.

Specifically, the clamping assembly 10 includes a fixing seat 101, a clamping plate 102 and a clamping spring 103, the fixing seat 101 is installed on a side wall of the back enclosure 1, the clamping plate 102 is horizontally located at a side of the back enclosure 1, one end of the clamping plate 102 is hinged to a top of the fixing seat 101, a clamping groove 104 is formed in a side wall of the other end of the clamping plate 102, the clamping spring 103 is located between the clamping plate 102 and the back enclosure 1, and two ends of the clamping spring 103 are respectively fixedly connected to a side wall of the clamping plate 102 and a side wall of the back enclosure 1, when detection is not required, the air inlet hose 72 is moved to the clamping plate 102, the clamping plate 102 is pulled to insert the air inlet hose 72 into the clamping groove 104, then the clamping plate 102 is released, the air inlet hose 72 is fixed in the clamping groove 104 under the elastic action of the clamping spring 103, so that a worker is prevented from climbing or moving, the air inlet hose 72 hangs down outside the backpack case 1, and thus a situation occurs that affects the worker.

Specifically, handle groove 13 has been seted up at the top of back involucrum 1, the articulated handle 14 of installing in the top of back involucrum 1, and handle 14 is located handle groove 13, through handle 14's setting, provides another kind for knapsack shell 1 and snatchs the mode, has further improved the practicality of device.

The working process of the embodiment of the application is as follows: the back of the back enclosure 1 is covered by two hands of a worker through two shoulder straps 64, two elastic straps 63 are pulled to enable the buckling block 61 and the buckling shell 62 to be clamped and fixed, so that the back enclosure 1 can be firmly backed on the back of the worker, the worker holds the air inlet hose 72, aligns the air inlet head 73 to a detection area, enables air in the detection area to sequentially flow into the air collection chamber 75 through the air inlet head 73, the air inlet hose 72 and the connecting pipe 77 by driving the blower 71, detects gas in the air collection chamber 75 through the detector 76, respectively transmits detection results to the display screen 5 and the memory 4 for displaying, recording and storing, exposes the isolation pipe 82 by rotating the isolation circular plate 83 after the gas in the air collection chamber 75 is detected, drives the exhaust fan 81, enables the gas in the air collection chamber 75 to be exhausted out of the back enclosure 1 through the exhaust pipe 78 for next waste gas detection, when data in the memory 4 needs to be read, a worker pulls the semicircular handle 92 to enable the door locking block 91 to move, the two sliding blocks 94 are driven to slide in the sliding grooves 12 through the hinged arrangement of the two hinge arms 93, the door locking block 91 is enabled to leave the backpack door 2, so that the backpack door 2 can be opened, when the backpack door 2 is to be closed, the semicircular handle 92 is loosened, the two sliding blocks 94 are driven to contract under the elastic action of the two telescopic springs 95, the door locking block 91 is inserted into the backpack door 2, the backpack door 2 is fixed in the backpack shell 1, when detection is not needed, the air inlet hose 72 is moved to the clamping plate 102, the clamping plate 102 is pulled to enable the air inlet hose 72 to be inserted into the clamping groove 104, then the clamping plate 102 is loosened, the air inlet hose 72 is fixed in the clamping groove 104 under the elastic action of the clamping spring 103, and climbing or moving of the worker is avoided, the air inlet hose 72 hangs down outside the backpack case 1, and thus a situation occurs that affects the worker.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. The utility model provides a knapsack formula exhaust gas detection device which characterized in that: the backpack door comprises a backpack shell (1), a backpack door (2), a storage battery (3), a storage device (4), a display screen (5), a strap assembly (6), a detection assembly (7), an exhaust assembly (8), a door locking assembly (9) and a clamping assembly (10), wherein the backpack door (2) is installed at one end of the backpack shell (1), the side wall of the backpack door (2) is hinged with the inner side wall of the backpack shell (1), the strap assembly (6) is installed at the other end of the backpack shell (1), the storage battery (3) and the detection assembly (7) are installed on the inner bottom wall of the backpack shell (1) at intervals, the storage device (4) is installed on the inner side wall of the backpack shell (1), the storage device (4) is located above the detection assembly (7), the display screen (5) is installed on the side wall of the backpack door (2), and the clamping assembly (10) is installed on one side wall of the backpack shell (1), the back of the body encloser is characterized in that a round hole (11) is formed in the other side wall of the back encloser (1), the exhaust assembly (8) is installed in the round hole (11), the door locking assembly (9) is located below the exhaust assembly (8), the door locking assembly (9) is installed on the other side wall of the back encloser (1), and one end of the door locking assembly (9) penetrates through the side wall of the back encloser (1) to be connected with the back encloser door (2) in an inserting mode.

2. The backpack-type exhaust gas detecting device according to claim 1, wherein: the shoulder strap assembly (6) comprises a buckle block (61), a buckle shell (62), two elastic straps (63) and two shoulder straps (64), the two shoulder straps (64) are installed at the other end of the back enclosure (1) at intervals, one ends of the two elastic straps (63) are fixedly connected with the side walls of the two shoulder straps (64), and the buckle block (61) and the buckle shell (62) are installed at the other ends of the two elastic straps (63) respectively.

3. The backpack-type exhaust gas detecting device according to claim 1, wherein: the detection assembly (7) comprises an air blower (71), an air inlet hose (72), an air inlet head (73), a fixing plate (74), an air collection chamber (75), a detector (76), a connecting pipe (77) and an exhaust pipe (78), wherein the air blower (71) is installed on the inner bottom wall of the back enclosure (1), the air blower (71) is located beside the storage battery (3), the air inlet head (73) is located on the side of the back enclosure (1), the air inlet hose (72) is located in the back enclosure (1), one end of the air inlet hose (72) is communicated with one end of the air blower (71), the other end of the air inlet hose (72) penetrates through the inner bottom wall of the back enclosure (1) and is communicated with the air inlet head (73), the fixing plate (74) is horizontally located above the air blower (71), and two ends of the fixing plate (74) are fixedly connected with the inner walls of two sides of the back enclosure (1), the utility model discloses a detector, including plenum chamber (75), connecting pipe (77), detector (76), exhaust pipe (78), the top at plenum chamber (75), the top at fixed plate (74) is installed to plenum chamber (75), connecting pipe (77) are located between fixed plate (74) and air-blower (71), the one end of connecting pipe (77) is linked together with the other end of air-blower (71), and the other end of connecting pipe (77) runs through the bottom of fixed plate (74) and is linked together with the inside of plenum chamber (75), the top at plenum chamber (75) is installed to detector (76), exhaust pipe (78) are located the top of plenum chamber (75), and the one end of exhaust pipe (78) is linked together with the inside of plenum chamber (75), the other end and round hole (11) of exhaust pipe (78) are linked together.

4. The backpack-type exhaust gas detecting device according to claim 1, wherein: the exhaust assembly (8) comprises an exhaust fan (81), an isolation pipe (82), an isolation circular plate (83), a first auxiliary plate (84) and a second auxiliary plate (85), the exhaust fan (81) is located in the circular hole (11), the exhaust fan (81) is fixedly connected with the inner wall of the back enclosure (1), the isolation pipe (82) is installed on the outer wall of the back enclosure (1), one end of the isolation pipe (82) is communicated with the circular hole (11), an insertion block (86) is installed at the other end of the isolation pipe (82), the isolation circular plate (83) is installed in the insertion block (86) in an insertion mode, the first auxiliary plate (84) is installed on the outer wall of the isolation pipe (82), the second auxiliary plate (85) is installed on the outer wall of the isolation circular plate (83), and the first auxiliary plate (84) is hinged to the second auxiliary plate (85).

5. The backpack-type exhaust gas detecting device according to claim 1, wherein: the door locking assembly (9) comprises a door locking block (91), a semicircular handle (92), two hinged arms (93), two sliding blocks (94) and two telescopic springs (95), wherein a sliding groove (12) is formed in the side wall of the back enclosure (1), the two sliding blocks (94) are respectively installed at two ends of the sliding groove (12) in a sliding mode, the two telescopic springs (95) are located in the sliding groove (12) at intervals, one ends of the two telescopic springs (95) are respectively fixedly connected with the inner top wall of the back enclosure (1) and the inner bottom wall of the back enclosure (1), the other ends of the two telescopic springs (95) are respectively fixedly connected with one ends of the two sliding blocks (94), the semicircular handle (92) is located beside the sliding groove (12), the door locking block (91) is located in the sliding groove (12), and one end of the door locking block (91) extends to the semicircular handle (92) and is fixedly connected with the side wall of the semicircular handle (92), the other end of the door locking block (91) penetrates through the side wall of the backpack shell (1) and the side wall of the backpack door (2) in sequence and extends inwards, one end of each hinge arm (93) is hinged to the other end of each sliding block (94), and the other end of each hinge arm (93) is hinged to one end of the door locking block (91).

6. The backpack-type exhaust gas detecting device according to claim 1, wherein: the clamping assembly (10) comprises a fixed seat (101), a clamping plate (102) and a clamping spring (103), the fixed seat (101) is installed on the side wall of the back enclosure (1), the clamping plate (102) is horizontally located on the side of the back enclosure (1), one end of the clamping plate (102) is hinged to the top of the fixed seat (101), a clamping groove (104) is formed in the side wall of the other end of the clamping plate (102), the clamping spring (103) is located between the clamping plate (102) and the back enclosure (1), and two ends of the clamping spring (103) are fixedly connected with the side wall of the clamping plate (102) and the side wall of the back enclosure (1) respectively.

7. The backpack-type exhaust gas detecting device according to claim 1, wherein: the handle groove (13) is formed in the top of the back enclosure (1), the lifting handle (14) is hinged to the top of the back enclosure (1), and the lifting handle (14) is located in the handle groove (13).